3886 . যদি f(x) = (3x + 1)/(3x - 1) হয়, তাহলে {f(x) + 1}/{f((x) - 1} এর মান কত?
  • A. 4x
  • B. 9x
  • C. 6x
  • D. 3x
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3887 . যদি f(x) = (3x + 4)/(x - 5) হয়, তাহলে f(6) এর মান কত?
  • A. 27
  • B. 24
  • C. 22
  • D. 20
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3888 . f(x) = x³ + kx² - 4x - 8 হয়, তাহলে k এর কোন মানের জন্য f(-2) = 0 হবে?
  • A. 16
  • B. 8
  • C. 4
  • D. 2
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3889 . f(x) = x² - 5x = 6 হলে, x- এর কোন মানের জন্য f(x) = 0 হবে?
  • A. 8 or 9
  • B. 4 or 6
  • C. 2 or 4
  • D. 3 or 2
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3890 . f(x) = x³ - 2x + 6 হলে, f(-3) এর মান কত?
  • A. - 27
  • B. - 15
  • C. - 9
  • D. - 3
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3891 . f(x) = x4 - 2x2 + 5 হলে, f(2) এর মান কত?
  • A. 13
  • B. 8
  • C. 4
  • D. 2
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3892 . f(x) = (4x - 7)/(2x - 4) এর অনুরূপ কোনটি?
  • A. f(-1) = 3/2
  • B. f(1) = 3/2
  • C. f(3) = 5/4
  • D. f(-2) = 15/8
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3893 . f(x) = (3x + 4)/(x - 5) হলে f(1/3) = কত?
  • A. 15/14
  • B. -15/14
  • C. 14/15
  • D. -14/15
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3894 . f(x) = x² + 1/x + 1 এর অনুরূপ কোনটি?
  • A. f(1) = 1
  • B. f(0) = 1
  • C. f(-1) = 3
  • D. f(1) = 3
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3895 . f(x) = (x - h)/x হলে f(h) = কত?
  • B. 1
  • C. 3
  • D. - 1
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3896 . f(x) = x² + 2 হলে f(-3) = কত?
  • A. - 7
  • B. 11
  • C. - 11
  • D. - 1
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3897 . -3 এবং 4 এর দূরত্ব কত?
  • A. - 1
  • B. 7
  • C. 1
  • D. - 7
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3898 . -2 এবং -3 এর দূরত্ব কত?
  • A. 3
  • B. 2
  • C. - 1
  • D. 1
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3899 . |x|/2 = 5 এর সঠিক সমাধান কোনটি?
  • A. x = 10
  • B. x = 5
  • C. x = ± 10
  • D. x = ± 5
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3900 . |x| = √2 এর সঠিক সমাধান কোনটি?
  • A. x = ± 4
  • B. x = √2
  • C. x = 2
  • D. x = ± √2
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